—Tony, your room is really untidy. You should _________ your things to keep the room clean.—OK, Mum! I’ll do it at once.
------Your grandpa had a bad cold last week. ------_____________.
What ________ if there ______ no water or air on the earth?
The teacher said the earth ________around the sun.
----What’s wrong with him? -----He got ____ in an accident.
You are a little___. I’m afraid you should do sports every day.